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Search: id:A066974
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A066974 Integers of the form (1/m)*sum(i=1,m,binomial(2i,i)). +0
1
2, 4, 70, 2197, 86944, 305045, 184940110, 480921672850, 1390639119568762, 13871716673121190349872, 46286334476836197400150816, 158305268738561655232891129492, 552015921314537446560239006496196 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A018364 A054920 A062061 this_sequence A018373 A053550 A018378

Adjacent sequences: A066971 A066972 A066973 this_sequence A066975 A066976 A066977

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Jan 26 2002

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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